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Merge pull request #5956 from radarhere/spider

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Hugo van Kemenade 2022-01-15 18:14:59 +02:00 committed by GitHub
commit 47bac9b6bb
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1 changed files with 6 additions and 8 deletions
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src/PIL/SpiderImagePlugin.py
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@ -238,17 +238,18 @@ def makeSpiderHeader(im):
if 1024 % lenbyt != 0:
labrec += 1
labbyt = labrec * lenbyt
hdr = []
nvalues = int(labbyt / 4)
if nvalues < 23:
return []
hdr = []
for i in range(nvalues):
hdr.append(0.0)
if len(hdr) < 23:
return []
# NB these are Fortran indices
hdr[1] = 1.0 # nslice (=1 for an image)
hdr[2] = float(nrow) # number of rows per slice
hdr[3] = float(nrow) # number of records in the image
hdr[5] = 1.0 # iform for 2D image
hdr[12] = float(nsam) # number of pixels per line
hdr[13] = float(labrec) # number of records in file header
@ -259,10 +260,7 @@ def makeSpiderHeader(im):
hdr = hdr[1:]
hdr.append(0.0)
# pack binary data into a string
hdrstr = []
for v in hdr:
hdrstr.append(struct.pack("f", v))
return hdrstr
return [struct.pack("f", v) for v in hdr]
def _save(im, fp, filename):